EP2845663A1 - Outil de cintrage composé de plusieurs éléments d'outil - Google Patents

Outil de cintrage composé de plusieurs éléments d'outil Download PDF

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Publication number
EP2845663A1
EP2845663A1 EP14183721.1A EP14183721A EP2845663A1 EP 2845663 A1 EP2845663 A1 EP 2845663A1 EP 14183721 A EP14183721 A EP 14183721A EP 2845663 A1 EP2845663 A1 EP 2845663A1
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EP
European Patent Office
Prior art keywords
tool
bending
working
elements
auxiliary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14183721.1A
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German (de)
English (en)
Other versions
EP2845663B1 (fr
Inventor
Egon Danninger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trumpf Maschinen Austria GmbH and Co KG
Original Assignee
Trumpf Maschinen Austria GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG
Publication of EP2845663A1 publication Critical patent/EP2845663A1/fr
Application granted granted Critical
Publication of EP2845663B1 publication Critical patent/EP2845663B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0227—Length adjustment of the die

Definitions

  • the invention relates to a bending tool, in particular a bending punch, for a bending press and a bending press formed with such a bending tool, as described in claims 1 and 16.
  • a horn tool manufactured by Trumpf has a basic tool connected to the tool holder of the bending press, with which a movable horn connected thereto is adjustably connected.
  • the tool part carrying the horn In the bending position or working position, the tool part carrying the horn is supported on the main body in a load-removing manner, in which the Ausfädel ein the horn-carrying tool part is pivoted by means of the pivot lever in a position relative to the main body.
  • the total height of the bending tool, in particular of the punch is increased in the vertical direction, but the width of the bending tool is at least reduced by the extent of the projecting laterally beyond the main body horn.
  • the present invention has for its object to provide a bending tool and equipped with such a bending tool bending press, in which after completion of the bending process, the workpiece thus produced can also be removed easily and without high Umrüstaufwand.
  • the bending tool can be shortened so far in its longitudinal extent in the direction of the pressing beam, so that even complicated set-up, box-shaped workpieces can be easily manufactured and subsequently also threaded without additional high set-up effort.
  • the Ausfädel ein is reached, the workpiece can be easily removed from the bending press, which in turn must be created by an opposing sliding movement again so much space between the tool elements that the tool accessory can be spent in the space created thereby.
  • the individual components forming the bending tool are brought into abutment against each other at least in the region of their working edges and kept fixed for a renewed bending process via the tool holder on the pressing beam.
  • the adjusting device can also be used to automatically position the tool auxiliary element in at least one of the positions.
  • a certain freedom can already be created between the immediately adjacent arranged tool elements by the respective protruding of the two horns on the body. This can subsequently serve for receiving the tool auxiliary element and / or the guide device, in particular its guide body.
  • a tool auxiliary element can be created with a stably designed base body.
  • the auxiliary working edge can be made shorter in its longitudinal extent, which due to the arrangement of additional, additional horns on the tool elements of these, the predominant bending force is applied to the workpiece to be produced.
  • a predetermined adjustment can be determined by the guide with the guide device.
  • the automated adjustment of the tool accessory can be further facilitated.
  • an embodiment according to claim 12 proves advantageous because in the Ausfädel ein a compact unit of the Biegewerkezugs can be created. As a result, the available free space can be used completely to accommodate the guide body.
  • the positioning effort of the tool support element is minimized or completely avoided, at least in the working position.
  • additional activities otherwise incurred for the exact alignment and adjustment of the tool support element with respect to the tool elements can be avoided.
  • a faster change between the two positions, namely the Ausfädel too and the working position can be achieved.
  • an embodiment according to claim 14 is also advantageous since, in the working position, a fixed positioning of the tool auxiliary element with respect to the immediately adjacent tool elements and their working edges can be achieved. In addition, however, the compressive force transmitted to the tool-assisting element by the pressing beam can also be transmitted better.
  • the support device can be tuned or formed on a variety of operating conditions and the associated adjustment paths.
  • the object of the invention is, however, independently solved by the features of claim 16.
  • the advantages resulting from the combination of features of this claim are that in this bending tool over the entire full bending length of the workpiece to be produced a corresponding working or bending edge can be provided on the bending tool, as is achieved in the working position at full working length.
  • a free space or a gap can be created which serves the previously available, entire working length or bending length of the bending tool in the maximum case by the extent of the resulting To reduce the gap.
  • the bending tool can be shortened so far in its longitudinal extent in the direction of the pressing beam, so that even complicated set-up, box-shaped workpieces can be easily manufactured and subsequently also threaded without additional high set-up effort.
  • the Ausfädel ein is reached, the workpiece can be easily removed from the bending press, which in turn must be created by an opposing sliding movement again so much space between the tool elements that the tool accessory can be spent in the space created thereby.
  • the individual components forming the bending tool are brought into abutment against each other at least in the area of their working edges and held fixed on the pressing beam for a new bending process via the tool holder.
  • a manufacturing plant 1 is shown in a highly simplified schematic representation, which is formed in the present case for the bending of sheet metal to be produced from workpieces 2 by means of swaging. But it would also be possible to use a folding machine in the manufacturing plant 1 to carry out the bending process.
  • the manufacturing plant 1 used for bending in the present case comprises a bending press 3, in particular a press brake or press brake, for producing the workpieces 2 or workpieces between bending tools 4 which are adjustable relative to one another, such as bending dies 5 and bending dies 6.
  • a machine frame 7 of the bending press 3 consists for example of a bottom plate 8 on the vertically upstanding, spaced from each other and mutually parallel side cheeks 9, 10 are arranged. These are preferably connected to each other by a solid, formed for example from a sheet metal part cross member 11 at their distance from the bottom plate 8 end portions.
  • the side cheeks 9, 10 are approximately C-shaped to form a free space for the forming of the workpiece 2, wherein a fixed, in particular on the bottom plate 8 upstanding pressing beam 13 is fixed to front end faces 12 of bottom flanges of the side cheeks 9, 10.
  • This stationary arranged and fixed pressing beam 13 may also be referred to as a press table, are arranged on the parts of the bending tool 4 and also held.
  • At front end faces 14 of the leg plate 8 remote leg is in linear guides 15 a to the table beam forming press bar 13 relatively adjustable further pressing bar 16, in particular a pressure bar, guided guided.
  • On opposite, mutually parallel end faces 17, 18 of the two pressing bars 13, 16 tool holders 19, 20 are arranged for assembly with the bending tools 4.
  • the one or more bending tools 4 can also be supported with the interposition of an adapter not shown on the tool holders 19, 20.
  • the bending press 3 shown has as a drive arrangement 21 for the adjustable pressing beam 16, namely the pressure bar, for example, two powered by electrical energy drive means 22, which conductively connected to a fed from a power grid 23 control device 24 are.
  • the operation of the bending press 3 is controlled via a line-connected input terminal 25 connected to the control device 24.
  • the drive means 22 are preferably motorized spindle drives 26, as they are generally known, of which adjusting means 27 for a reversible actuating movement of the upper beam formed by the pressure bar 16 with this, for example, are drive-connected.
  • the manufacturing plant 1 can also be simplified here in the Fig. 2 comprise manipulator 28, which at least a piece thereof removes from a schematically indicated supply stack 29 of sheets to be deformed orproofkantenden and spends in the work area of the bending press 3.
  • the manipulator 28 in turn comprises a gripping tongs 30, shown in a simplified manner, which in turn has gripping fingers 31, 32.
  • the gripping fingers 31, 32 each have clamping surfaces on the side facing the workpiece 2 to be produced.
  • the gripper fingers 31, 32 of the gripping tongs 30 is a corresponding gripping and later ensured due to the clamping movement sufficient support for the workpiece to be produced from the sheet 2.
  • the two pressing bars 13, 16, in particular their tool holders 19, 20, or the bending tool 4 held thereon with its bending punch 5 and bending die 6, when viewed in the longitudinal direction of the pressing bars 13, 16 a between them define extending work plane 33.
  • the working plane 33 preferably runs centrally with respect to the press beams 13, 16 or the tool holders 19, 20 arranged on them.
  • a vertically aligned plane is understood here, in which also a plane defined by the bending tool 4 Bending region 34 is arranged or formed.
  • Bending area 34 is understood to be that area which serves to form the workpiece 2 to be produced from the sheet metal which is still mostly undeformed, or to further process an already pre-formed workpiece 2, by forming at least one additional bending area 34.
  • the cross-sectional shape of the bending punch 5 and / or the bending die 6 is chosen only as an example for a multiplicity of possible cross-sectional shapes, wherein this can be freely selected by the spatial shape of the workpiece 2 to be produced.
  • the bending punch 5 and / or the bending die 6 can each also be formed from a plurality of individual components.
  • the bending region 34 lies mostly in the working plane 33 and is formed or defined by the cooperating components of the bending tool 4, namely the bending punch 5 and the bending die 6.
  • the bending region 34 usually forms a preferably rectilinear bending line on the workpiece 2 to be produced, wherein on both sides of each of these legs 35, 36 form due to the bending process carried out.
  • the two legs 35, 36 between them enter a bending angle 37 a.
  • This bending angle 37 is measured in a reference plane 38 aligned perpendicular to the bending line, as in both Fig. 1 and 2 is indicated.
  • the reference plane 38 for its part, is furthermore preferably also aligned with respect to the working plane 33 in the vertical direction.
  • the bending tool 4, in particular the bending punch 5, in the present exemplary embodiment comprises at least one first tool element 39 and at least one second tool element 40.
  • the tool elements 39, 40 forming the bending tool 4 are arranged one behind the other as seen in the longitudinal direction of the bending region 34.
  • the bending tool 4, in particular the tool elements 39, 40 forming the bending tool 4 respectively have working areas 41 which are realized by working edges 42 formed in the working plane 33 described above.
  • the horns 44 serve to be able to produce a continuous bending edge in the case of workpieces 2 formed in the form of boxes, up to the corner regions of the workpiece 2 arranged at a distance from each other.
  • the working edges 42 formed on the tool elements 39, 40 should also be designed to run continuously without interruption, at least in the working position of the bending tool 4.
  • the individual working edges 42 are to be formed almost continuously without interruption, except for the region of the joint of adjoining tool elements 39, 40.
  • the bending tool 4 in particular the bending punch 5 and / or the bending die 6 or the tool elements 39, 40 forming the latter are longitudinally displaceably fastened or fastened to the respective pressing beam 13, 16 and fixedly clamped there at least during the execution of the bending operation ,
  • a first possible and possibly independent training of the bending tool 4, in particular the bending punch 5, is in the Fig. 3 to 6 shown. So is best from the Fig. 3 can be seen that in the working position of the bending tool 4, the first tool element 39 and the at least second tool element 40 in the region of the working edges 42 in the longitudinal direction thereof are spaced apart at a distance 45 from each other. Furthermore, there is still a distance 45 between the tool elements 39, 40 arranged at least in the region of the working edges 42 bridging tool 46.
  • This tool auxiliary element 46 in turn has an auxiliary working edge 47 in the working area 41. This is in relation to the immediately adjacent arranged extending working edges 42 of the tool elements 39, 40 in alignment with it in the working position tool support member 46 aligned thereto.
  • the bending tool 4 forms in its working area 41 a continuous associated unit.
  • a box-shaped workpiece 2 which may also have a mostly parallel to the floor extending inwardly projecting wall portion in the open, upper end
  • the threading out of such a workpiece 2 from the bending tool 4 is a potential problem.
  • the unthreading could possibly be achieved by arranging the box-like workpiece 2 obliquely or diagonally with respect to the working edges 42 after the bending operation has taken place, thus enabling the threading out of the bending tool 4.
  • the at least two tool elements 39, 40 are brought into a so-called unloading position for the workpiece 2 to be produced.
  • the distance 45 in the working edges 42 bridging tool support 46 is at least partially removed, whereupon then the distance 45 between the first tool element 39 and the at least second tool element 40 in the range of the working edges 42 is reduced.
  • An intermediate position is in the Fig. 4 shown, wherein in the Fig. 5 the tool-assisting element 46 has been completely removed and the two tool elements 39, 40 have been displaced relative to one another at least in the region of their working edges 42 so far that the two tool elements 39, 40 abut one another.
  • the total length of the tool elements 39, 40 of the bending tool 4 in the region of the working edges 42 is shortened to a maximum length, which the longitudinal extent of Auxiliary working edge 47 corresponds. It would also be possible that the bending tool 4 in its shortened Ausfädel ein can also be used for a further bending operation with a shortened bending length or a shortened bending region 34.
  • the working edges 42 and the auxiliary working edge 47 are arranged directly one behind the other.
  • the two tool elements 39, 40 are located without gaps on both sides of the tool support element 46 in the working position, at least in the region of the working edges 42 at it.
  • these are formed continuously or without interruption.
  • the tool elements 39, 40 are mostly held longitudinally displaceably on or in the tool receivers 19, 20 and are held there and clamped there by means of known clamping devices, at least for the bending operation.
  • this is preferably supported in the working position on the respective pressing beam of the bending press 3.
  • the tool-assisting element 46 can be connected or coupled to an adjusting device 48, by means of which the tool-assisting element 46 can be adjusted from its working position into the unwinding position for the workpiece 2 to be produced.
  • An adjustment device 48 indicated in a simplified manner is arranged on the rear side of the bending press 3, that is to say on that side of the bending press 3 which is averted by an operator, in particular its pressing bars 13, 16. In dashed lines an intermediate position of the tool 46 is indicated.
  • corresponding guide devices can additionally be provided, wherein the adjusting movement of the adjusting device 48 is indicated only in a simplified manner by arrows.
  • This adjusting device 48 can also be referred to as Ausfädelvorraum, which is arranged behind the press bar 13, 16.
  • the adjustment of the adjustment 48 can be done for example by means of a folding operation but also by pushing and / or pivoting and / or turning the tool 46.
  • the adjusting device 48 thus performs the displacement of the tool support 46 between the working position and the Ausfädel ein.
  • the tool auxiliary element 46 can be spent to form the bending tool 4 between the spaced apart in the direction of the press bar 13, 16 arranged tool elements 39, 40 and optionally held there in a predefined position or position. Subsequently, at least one of the tool elements 39, 40 can be adjusted in the longitudinal direction with respect to the press beam 13, 16 in order to achieve a mutual contact of the tool support element 46 on the two adjacent tool elements 39, 40.
  • the remaining tool elements 39, 40 can then be moved toward one another by the gap created between them. Subsequent to the shortening of the working length of the bending tool 4, the workpiece 2 produced can be easily removed without retooling.
  • first tool element 39 and the at least second tool element 40 each have a further horn 44 projecting beyond the end face of the main body 43 onto the side facing the other tool element 40, 39 in their working areas 41 on mutually facing end sides 49 .
  • both tool elements 39, 40 each have the horns 44 in their end regions.
  • Such trained tool elements 39, 40 may also be referred to as so-called horn tools. Due to the protrusion of the successive, further horns 44 in the region of the mutually facing end faces 49 is shown in the illustrated here Tool elements 39, 40 already formed a free space between the two base bodies 43 in the working position of the tool elements 39, 40 and thus a gap between them in this area.
  • the tool-assisting element 46 is held locked on at least one of the immediately adjacent tool elements 39, 40.
  • This arrested holder of the tool auxiliary element 46 serves to keep it stationary during the bending operation relative to at least one of the directly adjacently arranged tool elements 39, 40. This makes it possible to perform a perfect bending operation of the workpiece 2 to be produced, even with the tool-assisting element 46 together with the tool elements 39, 40.
  • the tool support member 46 not only a mutual positioning of the tool support member 46 with respect to the adjacent tool elements 39, 40 to take place, but it can also be a power transmission from the press bar 13, 16 carried out on the entire bending tool.
  • Fig. 3 are exemplified on both sides of the tool support member 46 respectively simplified locking elements 50, 51 indicated.
  • the one or more locking elements 50, 51 can either an independent component, such as pins with cooperating pin receptacles are selected, or even at the mutually facing end faces 49 of the base body 43 and the respective adjoining side surfaces of the tool support 46 counterparts trained or ., arranged projections and / or depressions are provided. But it would also be a multiple arrangement of locking elements 50, 51 possible.
  • a guide rail 52 can be provided or arranged on the tool element 39, 40. Due to the arrangement or design of the mutually facing horns 44, it is possible that the respective guide rail 52 has a longitudinal extent, which corresponds to a length of the respective working edge 42 of the tool elements 39, 40. Thus, the guide rail 52 projects beyond the base body 43 of the tool elements 39, 40 in its longitudinal extent. This makes it possible that the tool-assisting element 46 is supported in the working position with the interposition of the guide strip or guide rails 52 on the pressing beam 13, 16 of the bending press 3.
  • the tool elements 39, 40 are each independent components and may comprise the main body 43 and at least one, preferably two, fixedly connected horns 44, which are connected together and rigidly connected to the pressing beam 13, 16 or held thereto.
  • the tool auxiliary 46 may be formed with a same continuous longitudinal extent in the direction of its auxiliary working edge 47.
  • Fig. 7 to 9 is a further and possibly independent embodiment of the bending tool 4 is shown, again for like parts, the same reference numerals or component names as in the preceding Fig. 1 to 6 be used. In order to avoid unnecessary repetition, the detailed description in the previous ones will be used Fig. 1 to 6 referred or referred.
  • the tool-assisting element 46 comprises the base body 53 and, in its working area 41, auxiliary horns 54 projecting beyond the base body 53 in the direction of the auxiliary working edge 47. These two auxiliary horns 54 lie in the working position on the respectively immediately adjacent, further horns 44 of the immediately adjacent tool elements 39, 40 at.
  • the tool auxiliary element 46 is in turn in a separate guide device 55 relative to the Tool elements 39, 40 out.
  • the guide device 55 has a guide 56. This guide 56 is aligned approximately in a parallel direction with respect to the working plane 33 and in approximately vertical direction with respect to the auxiliary working edge 47. This can be done in the present case, an approximately vertical adjustment or adjustment of the tool support 46.
  • the orientation of the guide 56 or guideway does not necessarily have to be rectilinear, but it can also be an adjustment in the vertical direction with respect to the working plane 33 in addition to done. Thus, for example, during the adjustment of an exemption of the auxiliary working edge 47 can be achieved.
  • the guide device 55 has a guide body 57 which, in the direction of the auxiliary working edge 47, has legs 58 arranged at a distance from one another, which extend on both sides of the base body 53. Furthermore, the guide body 57 also includes a connecting web 59 connecting the two legs 58 on the side away from the auxiliary working edge 47. Thus, a one-piece component is created as a guide body 57, which is arranged here between the previously described end faces 49 of the tool elements 39, 40.
  • the guide body 57 can be arranged by the additional provision of the auxiliary horns 54 on the tool support member 46 both in the working position and in the Ausfädelwolf between the two tool elements 39, 40.
  • the guide device 55 comprises between the base body 53 of the tool support member 46 and at least one of the two legs 58 cooperating guide elements 60, 61.
  • the guide elements 60, 61 may be, for example, pin-like or web-like projections as well as guideways trained, in which engages the pin or web. This may also be sliding and / or roller guides in a known embodiment.
  • the connecting web 59 is preferably to be selected with the same longitudinal extent in the same direction. This makes it possible, as in the Fig. 8 can be seen, even in the shortened Ausfädel ein of the bending tool 4, the workpiece to be produced 2 easy to unthread.
  • the tool auxiliary element 46 is made of in the Fig. 7 shown employment in the in Fig. 8 shifted to shortened Ausfädel ein shifted.
  • 57 cooperating stop members 64, 65 may be provided between the base body 53 of the tool support member 46 and at least one of the legs 58 of the guide body 57. These stop elements 64, 65 serve to limit the adjustment path of the tool auxiliary element 46 to be performed relative to the guide body 57. Thus, these stop elements 64, 65 may be formed or aligned with each other so that they define the aligned alignment of the working edge 42 and the auxiliary working edge 47 when the working position of the tool elements 39, 40 and the tool support 46.
  • the stop elements 64, 65 may be formed by the previously described guide elements 60, 61 of the guide 56. Furthermore, it would also be conceivable to provide a plurality of guide elements 60, 61 and / or a plurality of stop elements 64, 65 so as to achieve an exact, pivot-free guidance and / or end position of the tool support element 46 relative to the guide body 57. In addition, the guide elements 60, 61 and / or the stop elements 64, 65 also serve to define a defined end position of and associated therewith the mutually aligned alignment of the working edges 42 and the auxiliary working edge 47.
  • Fig. 10 is a further and possibly independent embodiment of the bending tool 4 is shown, again for like parts, the same reference numerals or component names as in the preceding Fig. 1 to 9 be used. In order to avoid unnecessary repetition, the detailed description in the previous ones will be used Fig. 1 to 9 referred or referred.
  • a support device 66 is arranged between the base body 53 of the tool support member 46 and the connecting web 59 of the guide body 57. This makes it possible to position the tool-assisting element 46 in its working position relative to the guide body 57 in the adjustment direction along the guide 56.
  • the supporting device 66 serves to hold the tool-assisting element 46 at least in its working position, relative to the immediately adjacent tool elements 39, 40, to fix it in a stationary manner or to fix it.
  • an adjustment device 48 (not shown here) may in turn serve, which may be provided in addition to the support device 66.
  • the support device 66 comprises at least one support element 67, which is designed for example as an eccentric lever. Due to the different length formation in the longitudinal and transverse directions, for example, the working position of the tool support element 46 can be defined in the illustrated position of the support element 67. As indicated in accordance with the arrows, the position of the support member 67 of the support device 66 can be changed by turning or pivoting such that the supporting action for the tool support member 46 is repealed and thus the tool support member 46 can be moved from its working position in the Ausfädel ein. This can be done by the adjusting device 48, which, however, has not been shown here for the sake of clarity. Furthermore, however, corresponding guide elements 60, 61 and / or stop elements 64, 65 can again be provided here, as has already been described in detail above. For clarity, the presentation of these elements described above is also omitted.
  • Fig. 11 is a further and possibly independent embodiment of the bending tool 4 is shown, again for like parts, the same reference numerals or component names as in the preceding Fig. 1 to 10 be used. In order to avoid unnecessary repetition, the detailed description in the previous ones will be used Fig. 1 to 10 referred or referred.
  • the support device 66 here comprises a plurality of support elements 67, which are formed, for example, by pivotable levers. These may be held, for example, on the connecting web 59 and / or on the legs 58 of the guide body 57 or be mounted thereon.
  • the support member 67 may also be formed by an adjusting spindle, rack or the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP14183721.1A 2013-09-10 2014-09-05 Presse plieuse avec un outil de cintrage composé de plusieurs éléments d'outil Active EP2845663B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50565/2013A AT514788B1 (de) 2013-09-10 2013-09-10 Biegewerkzeug aus mehreren Werkzeugelementen

Publications (2)

Publication Number Publication Date
EP2845663A1 true EP2845663A1 (fr) 2015-03-11
EP2845663B1 EP2845663B1 (fr) 2019-01-02

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EP14183721.1A Active EP2845663B1 (fr) 2013-09-10 2014-09-05 Presse plieuse avec un outil de cintrage composé de plusieurs éléments d'outil

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EP (1) EP2845663B1 (fr)
AT (1) AT514788B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3533597A1 (fr) * 2018-02-23 2019-09-04 Fritz Stepper GmbH & Co. KG Dispositif d'usinage d'au moins une pièce à usiner
CN114126778A (zh) * 2019-07-23 2022-03-01 通快机床两合公司 用于加工板状的工件、尤其是板材的工具和方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251287A1 (fr) * 1986-06-30 1988-01-07 Maru Kikai Kogyo Co., Ltd. Dispositif pour le changement d'outil de presse à plier
EP1495816A1 (fr) * 2003-07-07 2005-01-12 Trumpf Werkzeugmaschinen GmbH + Co. KG Outil de pliage à segments de butée de la pièce réglables ainsi que machine à plier comprenant un tel outil de pliage
EP2364789A1 (fr) * 2010-03-12 2011-09-14 SALVAGNINI ITALIA S.p.A. Presse plieuse dotée d'un outil à variation de longueur automatique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3476213B2 (ja) * 1993-04-27 2003-12-10 日清紡績株式会社 プレスブレーキの型長さ変更装置
AT510721B1 (de) * 2011-03-14 2012-06-15 Trumpf Maschinen Austria Gmbh Werkzeug-positioniervorrichtung an einer biegepresse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251287A1 (fr) * 1986-06-30 1988-01-07 Maru Kikai Kogyo Co., Ltd. Dispositif pour le changement d'outil de presse à plier
EP1495816A1 (fr) * 2003-07-07 2005-01-12 Trumpf Werkzeugmaschinen GmbH + Co. KG Outil de pliage à segments de butée de la pièce réglables ainsi que machine à plier comprenant un tel outil de pliage
EP2364789A1 (fr) * 2010-03-12 2011-09-14 SALVAGNINI ITALIA S.p.A. Presse plieuse dotée d'un outil à variation de longueur automatique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3533597A1 (fr) * 2018-02-23 2019-09-04 Fritz Stepper GmbH & Co. KG Dispositif d'usinage d'au moins une pièce à usiner
CN114126778A (zh) * 2019-07-23 2022-03-01 通快机床两合公司 用于加工板状的工件、尤其是板材的工具和方法
CN114126778B (zh) * 2019-07-23 2023-11-21 通快机床欧洲股份公司 用于加工板状的工件、尤其是板材的工具和方法

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AT514788A1 (de) 2015-03-15
EP2845663B1 (fr) 2019-01-02
AT514788B1 (de) 2015-05-15

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